Home / 11,259.53-15,539.10-6,543.50

Finding the Fourth Proportional to 11,259.53, 15,539.10 and 6,543.50

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Solution

The fourth proportional to 11,259.53, 15,539.10 and 6,543.50 is: 9,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.53 : 15,539.10 = 6,543.50 : x
  2. Step 2: Convert to fraction form
    11,259.53/15,539.10 = 6,543.50/x
  3. Step 3: Cross multiply
    11,259.53x = 15,539.10 × 6,543.50
  4. Step 4: Simplify right side
    11,259.53x = 101,680,100.85
  5. Step 5: Solve for x
    x = 101,680,100.85/11,259.53
  6. Step 6: Final answer
    x = 9,030.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.